Alleman, IA Weather & Growing Conditions
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 9pm and midnight, then patchy fog and a chance of showers and thunderstorms between midnight and 4am, then patchy fog and showers and thunderstorms likely between 4am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 10 mph SSE | 57% |
| Saturday | 80°F | Chance Showers And Thunderstorms | 8 mph W | 44% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 9 mph N | 36% |
| Sunday | 67°F | Chance Showers And Thunderstorms | 13 mph NNE | 53% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 12 mph ENE | 53% |
| Monday | 61°F | Rain Showers Likely | 13 mph ENE | 63% |
| Monday Night | 53°F | Rain Showers Likely | 7 to 10 mph NE | 60% |
| Tuesday | 60°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph NE | 17% |
| Tuesday Night | 49°F | Partly Cloudy | 3 to 7 mph ENE | 2% |
| Wednesday | 64°F | Mostly Sunny | 5 mph E | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph ESE | 4% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 mph ESE | 17% |
| Thursday Night | 56°F | Mostly Cloudy | 3 mph ESE | 8% |
| Friday | 67°F | Slight Chance Rain Showers | 2 to 6 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alleman, IA
Last spring frost
Apr 23
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
5b
Explore more for Alleman, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Ankeny, Ia (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.